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Battery Lifetime and Efficiency:
• Keep the batteries cool, LiFePO4 preferably above 0 °C. Choose an appropriate location
for installation.
• Store only fully charged batteries and recharge them periodically!
• Open lead-acid batteries and batteries being "maintenance-free according to EN/DIN":
Check the acid level periodically!
• Recharge totally discharged lead batteries immediately!
• LiFePO4: Only use complete batteries with BMS and safety circuit.
Total discharge is absolutely to be avoided!
Safety Regulations and Appropriate Application:
The solar controller has been designed according to the valid safety regulations.
Appropriate application is restricted to:
1. Charging of lead-gel, lead-AGM, lead-acid or LiFePO4-complete-batteries (with integrated BMS,
equalization charging of the cells/balancing and approval!) of the indicated nominal voltage and
simultaneous supply of the consumers being connected to these batteries in fixed installed systems.
2. With solar panels up to the maximum power rating (Wp) of the used solar controller.
3. With solar panels below the max. admissible voltage (Voc).
4. The indicated cable cross-sections at the charging ports and at the panel input.
5. With fuses of the indicated capacity near the battery to protect the cabling between battery and
charging ports.
6. Technically faultless condition.
7. Installation in a well-ventilated room, protected from rain, humidity, dust, aggressive battery gases,
as well as in an environment being free from condensation water.
8. The device must not be operated on the input terminals "+/-solar panels" with wind, water, fuel or
motor generators, power supplies, batteries or other power sources!
• Never use the unit in locations where the risk of gas or dust explosion exists!
• Cables are always to be laid in such a way that damage is excluded. Observe to fasten them tightly.
• Always lead the connection cables from below to the solar controller to ensure that penetrating humidity
cannot reach the controller in case of failure, which might result in damage of the controller.
• Never lay 12 V (24 V) cables and 230 V mains supply cables into the same cable conduit (empty conduit).
• Check live cables or leads periodically for insulation faults, points of break or loosened connections.
Occurring defects must be remedied immediately.
• The unit is to be disconnected from any connection prior to execution of electrically welding or work on the
electric system.
• If the non-commercial end-user is not able to recognize the characteristic values being valid for a unit or the
regulations to be observed, a specialist is always to be consulted.
• The user/buyer is obliged to observe any construction and safety regulations.
• Except for the fuse, the unit is not equipped with parts, which can be replaced by the user.
Always use replacement car fuses of the indicated capacity!
• Keep children away from the solar controller and the batteries.
• Observe the safety regulations of the battery manufacturer.
• Deaerate the battery room. Protect the unit from aggressive battery gases.
• Ensure sufficient ventilation of unit and panel!
• Strictly observe the instructions of the manufacturer for installation of the solar panel.
• Non-observance may result in injury or material damage.
• The warranty period is 36 months from the purchase date (against presentation of the sales slip or invoice).
• The guarantee will be void in case of any inappropriate utilisation of the unit, if it is used beyond the
technical specification, in case of improper operation, intrusion of water or external intervention. We do
not assume any liability for any damage resulting hereof. The liability exclusion is extended to any service
being executed by third, which has not been ordered by us in writing. Service is to be effected exclusively by
VOTRONIC, Lauterbach.
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